Hybrid-type fiber-reinforced composite material and apparatus for producing same

Abstract

A hybrid fiber-reinforced composite material according to an aspect of the present disclosure may comprise a first continuous fiber layer, a long fiber layer laminated on one surface of the first continuous fiber layer, and a second continuous fiber layer laminated on one surface of the long fiber layer, and may further comprise at least one of a first thermosetting resin laminated on the other surface of the first continuous fiber layer and a second thermosetting resin laminated on one surface of the second continuous fiber layer.

What is claimed is: 
     
         1 . A hybrid fiber-reinforced composite material comprising a first long fiber layer, a continuous fiber layer laminated on one surface of the first long fiber layer, and a second long fiber layer laminated on one surface of the continuous fiber layer, and further comprising at least one of a first thermosetting resin laminated on the other surface of the first long fiber layer and a second thermosetting resin laminated on one surface of the second long fiber layer. 
     
     
         2 . The hybrid fiber-reinforced composite material of  claim 1 , wherein the first thermosetting resin and the second thermosetting resin each include at least one of epoxy, unsaturated polyester, and vinyl ester. 
     
     
         3 . The hybrid fiber-reinforced composite material of  claim 1 , wherein the first long fiber layer and the second long fiber layer each have a thickness of 0.3 to 1 mm, and the continuous fiber layer has a thickness of 0.3 to 0.7 mm. 
     
     
         4 . The hybrid fiber-reinforced composite material of  claim 1 , wherein the first long fiber layer, the continuous fiber layer, and the second long fiber layer each comprise at least one of glass fiber and carbon fiber. 
     
     
         5 . The hybrid fiber-reinforced composite material of  claim 4 , wherein the hybrid fiber-reinforced composite material has a basis weight of 1,000 to 4,000 gsm, and the at least one of glass fiber and carbon fiber has a weight ratio of 25 to 70% of the hybrid fiber-reinforced composite material. 
     
     
         6 . A hybrid fiber-reinforced composite material comprising a first continuous fiber layer, a long fiber layer laminated on one surface of the first continuous fiber layer, and a second continuous fiber layer laminated on one surface of the long fiber layer, and further comprising at least one of a first thermosetting resin laminated on the other surface of the first continuous fiber layer and a second thermosetting resin laminated on one surface of the second continuous fiber layer. 
     
     
         7 . The hybrid fiber-reinforced composite material of  claim 6 , wherein the first thermosetting resin and the second thermosetting resin each include at least one of epoxy, unsaturated polyester, and vinyl ester. 
     
     
         8 . The hybrid fiber-reinforced composite material of  claim 6 , wherein the long fiber layer has a thickness of 0.3 to 1 mm, and the first continuous fiber layer and the second continuous fiber layer each have a thickness of 0.3 to 0.7 mm. 
     
     
         9 . The hybrid fiber-reinforced composite material of  claim 6 , wherein the first long fiber layer and the second long fiber layer each comprise at least one of glass fiber and carbon fiber. 
     
     
         10 . The hybrid fiber-reinforced composite material of  claim 9 , wherein the hybrid fiber-reinforced composite material has a basis weight of 1,000 to 4,000 gsm, and the at least one of glass fiber and carbon fiber has a weight ratio of 25 to 70% of the hybrid fiber-reinforced composite material. 
     
     
         11 . An apparatus for manufacturing a hybrid fiber-reinforced composite material including:
 a first thermosetting resin supply unit for discharging a first thermosetting resin;   a first long fiber supply unit for supplying a first long fiber to the top portion of the first thermosetting resin;   a continuous fiber supply unit including a supply roll for supplying a continuous fiber to the top portion of the first long fiber;   a second long fiber supply unit for supplying a second long fiber to the top portion of the continuous fiber;   a second thermosetting resin supply unit for supplying a second thermosetting resin to the top portion of the second long fiber;   a conveying belt unit for moving them so that the first thermosetting resin, the first long fiber, the continuous fiber, the second long fiber, and the second thermosetting resin are sequentially stacked; and   a winding roll unit for receiving and winding a composite material composed of the first thermosetting resin, the first long fiber, the continuous fiber, the second long fiber, and the second thermosetting resin, which are sequentially stacked, from the conveying belt unit.   
     
     
         12 . The apparatus of  claim 11 , wherein the first long fiber supply unit and the second long fiber supply unit each include a support roll for supporting a glass fiber or carbon fiber roving and a cutting roll for cutting the glass fiber or carbon fiber roving. 
     
     
         13 . The apparatus of  claim 11 , wherein the conveying belt unit includes a belt for moving them so that the first thermosetting resin, the first long fiber, the continuous fiber, the second long fiber, and the second thermosetting resin are sequentially stacked and a transfer for providing a driving force to the belt. 
     
     
         14 . The apparatus of  claim 13 , wherein the conveying belt unit further includes a pressurizing and supporting roll for pressurizing the second thermosetting resin supplied and stacked by the second thermosetting resin supply unit. 
     
     
         15 . An apparatus for manufacturing a hybrid fiber-reinforced composite material including:
 a first thermosetting resin supply unit for discharging a first thermosetting resin;   a first continuous fiber supply unit including a supply roll for supplying a first continuous fiber to the top portion of the first thermosetting resin;   a long fiber supply unit for supplying a long fiber to the top portion of the first continuous fiber;   a second continuous fiber supply unit including a supply roll for supplying a second continuous fiber to the top portion of the long fiber;   a second thermosetting resin supply unit for supplying a second thermosetting resin to the top portion of the second continuous fiber;   a conveying belt unit for moving them so that the first thermosetting resin, the first continuous fiber, the long fiber, the second continuous fiber, and the second thermosetting resin are sequentially stacked; and   a winding roll unit for receiving and winding a composite material composed of the first thermosetting resin, the first continuous fiber, the long fiber, the second continuous fiber, and the second thermosetting resin, which are sequentially stacked, from the conveying belt unit.   
     
     
         16 . The apparatus of  claim 15 , wherein the long fiber supply unit includes a support roll for supporting a glass fiber or carbon fiber roving and a cutting roll for cutting the glass fiber or carbon fiber roving. 
     
     
         17 . The apparatus of  claim 15 , wherein the conveying belt unit includes a belt for moving them so that the first thermosetting resin, the first continuous fiber, the long fiber, the second continuous fiber, and the second thermosetting resin are sequentially stacked and a transfer roll for providing a driving force to the belt. 
     
     
         18 . The apparatus of  claim 17 , wherein the conveying belt unit further includes a pressurizing and supporting roll for pressurizing the second thermosetting resin supplied and stacked by the second thermosetting resin supply unit.